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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: precise numerical integration
Replies: 6   Last Post: Jun 3, 2010 11:25 PM

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us

Posts: 12,693
Registered: 12/4/04
Re: precise numerical integration
Posted: Jun 3, 2010 9:17 PM
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"Marcio Barbalho" <marciobarbalho@live.com> wrote in message <hu9gb8$dvg$1@fred.mathworks.com>...
> Hello dear friends...
>
> I would to know if you know any other numerical integration method besides 'trapz' given x an y vectors:
>
> Area = trapz(x,y)
>
> my data are kind of randomic and I have obtained areas that are not so precise, numbers are not matching...So I was wondering if you could give some help on increasing the performance of matlab's numerical integrators.
>
> Many thanks


well...
not even ML has the magic wand that turns your bad data into good data...
unless, of course, you use one of its many powerful interpolators - which, however, will make things even worse...

us



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